On Cloud waterproof I introduce you to Zero-Gravity running. Want to run with ultimate lightness? Then step into the Clouds. Built from Zero-Gravity foam, the Cloud unites ultimate lightness with the superior cushioning of 16 clouds for a soft landing. Cleverly engineered, the Cloud provides protection and comfort where others only offer lightweight. Being awarded the ISPO Gold Award for best performance shoe, the Cloud stands out as the lightest running shoe in the world. The Cloud offers ultimate lightness, intelligent cushioning and a sensational running experience.